Window lock



FIG. 1 is a front perspective view of a window lock showing my new design;

FIG. 2 is a top view of the window lock shown in FIG. 1;

FIG. 3 is a front inclined view of the window lock shown in FIG. 1;

FIG. 4 is a rear inclined view of the window lock shown in FIG. 1;

FIG. 5 is a side inclined view of the window lock shown in FIG. 1; and,

FIG. 6 is an inclined view of the opposite side from FIG. 5 of the window lock shown in FIG. 1. 

The ornamental design for a window lock, as shown and described. 